21830608

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5309}}^1$

素因数の和:5574

約数の個数: 20

約数和(自身を含む): 42469380

約数和(自身を除く): 20638772

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5309, 10618, 21236, 42472, 84944, 1364413, 2728826, 5457652, 10915304, 21830608]

約数ペア:

[(1, 21830608), (2, 10915304), (4, 5457652), (8, 2728826), (16, 1364413), (257, 84944), (514, 42472), (1028, 21236), (2056, 10618), (4112, 5309)]